Husband and I flew Air Asia in Feb. (Macau-KL).
Flight was on time but that was about the only positive.
1. There is NO seat allocation and this caused a debacle when queuing, later at boarding gate and also once onboard - a real bunfight.

Having arrived very early, we were close to the front of the queue for boarding and we all waited for the terminal doors to open so we could walk (!!) out to the plane.
Someone from Air Asia had the idea of organising a second queue for people with children + over 50s. This queue would board first. Ok.... we were eligible so decided to get into that queue - we ended up a little further back, but still near thefront.
When the time came to go out, people started pushing and once outside, people started running to the plane and up the steps.
We got on the plane only to find that those ahead of us (not all that many) had used coats and bags to 'reserve' seats for their friends coming behind.
Worse, the second queue had left the terminal and were now entering the plane from the rear door. We were about to be caught in No Man's Land without seats. NO WAY JOSE! I just moved toward a seat and when the owner of the coats protested, I just said "Sorry, no reserving of seats on this aircraft"

2. You have to pay for food and drinks. Food is very basic........... ham and processed cheese sandwich, very small serve of steamed rice with a little bit of chicken or cup noodles (!!!) and chocolate bars. Drinks were tea, coffee (maybe Milo) water and I think some soft drink.
We all know we don't fly just for the food, but I'd prefer to pay more and get something half decent - esp seeing we'd been on the go since noon to catch this 4pm flight and wouldn't get to our hotel in KL till after midnight.

3. There is NO inflight entertainment - maybe not a problem for short flights, but a problem on anything beyond 2 hours I'd say. There were lots of teenagers and kids on our flight and they got bored pretty quickly - stood up on their seats and started yelling out to their friends in other seats.

Cabin crew didn't do anything.

I'd check out how they're organising their flights to and from Oz. I wouln't fancy a long flight with no entertainment and that awful food.

My husband refuses point blank to fly with them again for anything other than a short flight and only if he has no alternative.